add-todo-form

src/App.tsx

@@ -1,61 +1,119 @@
 import './App.scss';
 
-// import usersFromServer from './api/users';
-// import todosFromServer from './api/todos';
+import usersFromServer from './api/users';
+import todosFromServer from './api/todos';
+import { useState } from 'react';
+import { FormData, Todo } from './types';
+import { TodoList } from './components/TodoList';
+import { getNewTodoId } from './services';
+
+const initialForm: FormData = {
+  title: '',
+  userId: 0,
+};
 
 export const App = () => {
+  const [todos, setTodos] = useState<Todo[]>(todosFromServer);
+  const [formData, setFormData] = useState(initialForm);
+  const [isTitleError, setIsTitleError] = useState(false);
+  const [isUserError, setIsUserError] = useState(false);
+
+  const { title, userId } = formData;
+
+  const isDisabledAdd = !title.trim() || !userId;
+
+  const reset = () => {
+    setFormData({ ...initialForm });
+  };
+
+  const handleAddTodo = (inputData: FormData) => {
+    const newTodo = {
+      ...inputData,
+      id: getNewTodoId(todos),
+      completed: false,
+    };
+
+    setTodos(currentTodos => [...currentTodos, newTodo]);
+  };
+
+  const handleTitleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    setFormData(prevData => ({
+      ...prevData,
+      title: event.target.value,
+    }));
+    setIsTitleError(false);
+  };
+
+  const handleUserChange = (event: React.ChangeEvent<HTMLSelectElement>) => {
+    setFormData(prevData => ({
+      ...prevData,
+      userId: +event.target.value,
+    }));
+    setIsUserError(false);
+  };
+
+  const handleSubmit = (event: React.FormEvent) => {
+    event.preventDefault();
+    if (isDisabledAdd) {
+      setIsTitleError(!title);
+      setIsUserError(!userId);
+
+      return;
+    }
+
+    handleAddTodo(formData);
+    reset();
+  };
+
   return (
     <div className="App">
       <h1>Add todo form</h1>
 
-      <form action="/api/todos" method="POST">
+      <form onSubmit={handleSubmit}>
         <div className="field">
-          <input type="text" data-cy="titleInput" />
-          <span className="error">Please enter a title</span>
+          <label className="label" htmlFor="title">
+            Title:
+          </label>
+          <input
+            id="title"
+            type="text"
+            data-cy="titleInput"
+            placeholder="Enter title"
+            value={title}
+            onChange={handleTitleChange}
+          />
+          {isTitleError && <span className="error">Please enter a title</span>}
         </div>
 
         <div className="field">
-          <select data-cy="userSelect">
+          <label className="label" htmlFor="user">
+            User:
+          </label>
+          <select
+            id="user"
+            data-cy="userSelect"
+            value={userId}
+            onChange={handleUserChange}
+          >
             <option value="0" disabled>
               Choose a user
             </option>
+            {usersFromServer.map(user => (
+              <option key={user.id} value={user.id}>
+                {user.name}
+              </option>
+            ))}
           </select>
 
-          <span className="error">Please choose a user</span>
+          {isUserError && <span className="error">Please choose a user</span>}
         </div>
 
         <button type="submit" data-cy="submitButton">
           Add
         </button>
       </form>
 
-      <section className="TodoList">
-        <article data-id="1" className="TodoInfo TodoInfo--completed">
-          <h2 className="TodoInfo__title">delectus aut autem</h2>
-
-          <a className="UserInfo" href="mailto:Sincere@april.biz">
-            Leanne Graham
-          </a>
-        </article>
-
-        <article data-id="15" className="TodoInfo TodoInfo--completed">
-          <h2 className="TodoInfo__title">delectus aut autem</h2>
-
-          <a className="UserInfo" href="mailto:Sincere@april.biz">
-            Leanne Graham
-          </a>
-        </article>
-
-        <article data-id="2" className="TodoInfo">
-          <h2 className="TodoInfo__title">
-            quis ut nam facilis et officia qui
-          </h2>
-
-          <a className="UserInfo" href="mailto:Julianne.OConner@kory.org">
-            Patricia Lebsack
-          </a>
-        </article>
-      </section>
+      <TodoList todos={todos} />
     </div>
   );
 };

src/components/TodoInfo/TodoInfo.tsx

@@ -1 +1,27 @@
-export const TodoInfo = () => {};
+import { getUserById } from '../../services';
+import { Todo } from '../../types';
+import { UserInfo } from '../UserInfo';
+
+import classNames from 'classnames';
+
+type Props = {
+  todo: Todo;
+};
+
+export const TodoInfo: React.FC<Props> = ({ todo }) => {
+  const user = getUserById(todo.userId);
+
+  return (
+    <article
+      data-id={todo.id}
+      className={classNames('TodoInfo', {
+        'TodoInfo--completed': todo.completed,
+      })}
+      key={todo.id}
+    >
+      <h2 className="TodoInfo__title">{todo.title}</h2>
+
+      {user && <UserInfo user={user} />}
+    </article>
+  );
+};

src/components/TodoList/TodoList.tsx

@@ -1 +1,16 @@
-export const TodoList = () => {};
+import { Todo } from '../../types';
+import { TodoInfo } from '../TodoInfo';
+
+type Props = {
+  todos: Todo[];
+};
+
+export const TodoList: React.FC<Props> = ({ todos }) => {
+  return (
+    <section className="TodoList">
+      {todos.map(todo => (
+        <TodoInfo todo={todo} key={todo.id} />
+      ))}
+    </section>
+  );
+};

src/components/UserInfo/UserInfo.tsx

@@ -1 +1,13 @@
-export const UserInfo = () => {};
+import { User } from '../../types';
+
+type Props = {
+  user: User;
+};
+
+export const UserInfo: React.FC<Props> = ({ user }) => {
+  return (
+    <a className="UserInfo" href={`mailto:${user.email}`}>
+      {user.name}
+    </a>
+  );
+};

src/services.ts

@@ -0,0 +1,10 @@
+import { Todo, User } from './types';
+import usersFromServer from './api/users';
+
+export const getUserById = (userId: number): User | null => {
+  return usersFromServer.find(user => user.id === userId) || null;
+};
+
+export const getNewTodoId = (todoList: Todo[]) => {
+  return Math.max(...todoList.map(todo => todo.id)) + 1;
+};

src/types.ts

@@ -0,0 +1,15 @@
+export interface Todo {
+  id: number;
+  title: string;
+  completed: boolean;
+  userId: number;
+}
+
+export interface User {
+  id: number;
+  name: string;
+  username: string;
+  email: string;
+}
+
+export type FormData = Omit<Todo, 'id' | 'completed'>;